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The Origin of the Lithium Rich Giants

Published online by Cambridge University Press:  25 May 2016

Corinne Charbonnel  and
Suchitra Balachandran
Corinne Charbonnel
Affiliation:
Laboratoire d’Astrophysique de l'Observatoire Midi-Pyrénées, Toulouse, France
Suchitra Balachandran
Affiliation:
University of Maryland, USA

Abstract

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We use Hipparcos parallaxes to determine the evolutionary status and the nature of the so-called Li-rich giants. These informations clearly support the hypothesis of internal nuclear lithium enrichment by an extra-mixing process at two distinct evolutionary phases.

Type
4. Lithium Abundances
Information
Symposium - International Astronomical Union , Volume 198: The Light Elements and their Evolution , 2000 , pp. 373 - 374
Copyright
Copyright © Astronomical Society of the Pacific 2000 

References

Charbonnel, C., Balachandran, S., 2000, A&A in press, astro-ph/0005280 Google Scholar
Charbonnel, C., Brown, J.A., Wallerstein, G., 1998, A&A 332, 204 Google Scholar
Charbonnel, C., Deliyannis, C.P., Pinsonneault, M., 2000, this volume Google Scholar